<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>

    <script>
        // for(var i=0; i<100; i++){
        //     console.log(Math.round(Math.random()*10));
        // }

        // var a = null;
        // a = a.toString();
        // console.log(typeof a);
        // console.log(a);

        var data = 'sunwukong@-@swk@hgs.com';

        var arr = data.split('@-@');

        // console.log(arr[0], arr[1]);

        var reg = /abc|bcd/


    </script>

</head>
<body>

</body>
</html>